<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Flask Learn</title>
</head>
<body>
<h1>Flask Learn</h1>
<div><h1>{{ user.username }} || {{ user.email }}</h1></div>
<h2>欢迎{{ person.username }} || 邮箱：{{ person.email }}</h2>
</body>
</html>